Due to its compatibility with all generations of night vision device the Aimpoint CompM2 Red Dot Sight is ready for use around the clock. The Aimpoint CompM2 Red Dot Sight holds up under the roughest physical handling and can withstand the most severe weather conditions and temperatures. In fact, the Aimpoint Comp M2 Red Dot Sight is completely submersible and will withstand pressures up to 2,5 atmospheres allowing it to be taken up to 25 meters underwater.